K-38 is a powerful acid cleaning liquid, which is ideal for effective cleaning of natural stone. It removes difficult stains, dirt, salts, mold, mud, cement and plaster residues. It restores the natural appearance of the stone and prepares the surface for its waterproofing (varnishing).
- It cleans stains from salts, rust, mold, mud
- It removes cement and plaster residues from the joint